21780588312

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4801717}}^1$

素因数の和:4801742

約数の個数: 80

約数和(自身を含む): 69720945360

約数和(自身を除く): 47940357048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4801717, 9603434, 14405151, 19206868, 28810302, 33612019, 38413736, 43215453, 57620604, 67224038, 86430906, 100836057, 115241208, 129646359, 134448076, 172861812, 201672114, 259292718, 268896152, 302508171, 345723624, 388939077, 403344228, 518585436, 605016342, 777878154, 806688456, 907524513, 1037170872, 1210032684, 1555756308, 1815049026, 2420065368, 2722573539, 3111512616, 3630098052, 5445147078, 7260196104, 10890294156, 21780588312]

約数ペア:

[(1, 21780588312), (2, 10890294156), (3, 7260196104), (4, 5445147078), (6, 3630098052), (7, 3111512616), (8, 2722573539), (9, 2420065368), (12, 1815049026), (14, 1555756308), (18, 1210032684), (21, 1037170872), (24, 907524513), (27, 806688456), (28, 777878154), (36, 605016342), (42, 518585436), (54, 403344228), (56, 388939077), (63, 345723624), (72, 302508171), (81, 268896152), (84, 259292718), (108, 201672114), (126, 172861812), (162, 134448076), (168, 129646359), (189, 115241208), (216, 100836057), (252, 86430906), (324, 67224038), (378, 57620604), (504, 43215453), (567, 38413736), (648, 33612019), (756, 28810302), (1134, 19206868), (1512, 14405151), (2268, 9603434), (4536, 4801717)]